Donald Trump said he expected to hear from Iran by Friday night on Washington’s latest proposal to end the war, even as Tehran indicated it had not yet finalised its response and was still reviewing messages sent by the Americans through Pakistani mediators.

The US is yet to formally confirm it has responded. However, Trump reportedly told Israel's Kan News it was unacceptable.

The US is yet to formally confirm it has responded. However, Trump reportedly told Israel's Kan News it was unacceptable.

Before reviewing the proposal on Saturday, US President Donald Trump said he could not imagine it "would be acceptable".